S1493CO SMART3G gas detectors are employed to detect Carbon Monoxide Gas, CO, Carbon monooxide, Carbonous oxide, Carbon(II) oxide, Carbonyl Gas compounds (ppm) in classified areas. For the toxic gas detection, Sensitron has operated a reliable selection among the most performing electrochemical cells to supply units representing the state of the art in toxic gas detection. The SMART3G line has been designed to offer a wide range of alternatives that grant customers the best solution to their requirements. SMART3G-G has been specifically designed for tunnels and mines with certification for Group I M2. SMART3G detectors are SIL2 HW TUV certified